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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Control System - Introduction) >> Basic Service Procedure >> Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment >> Inspection Procedure >> 25. Check CO% >> With CONSULT-II

With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.
  2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
  3. Select "ENG COOLANT TEMP" in "ACTIVE TEST" mode.
  4. Set "ENG COOLANT TEMP" to 5°C (41°F) by touching "DWN" and "Qd".
  5. Start engine and rev it (2,000 to 3,000 RPM) two or three times under no load, then run engine at idle speed.
  6. Check CO%.
    1. Idle CO: 0.7 - 9.9% and engine runs smoothly. 
    Fig 1: CONSULT II "ACTIVE TEST" Mode
    G00875278Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 28 .
  2. NG: GO TO 27 .
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